问题

In an hour, we can travel to places _______ would have taken our ancestors days to reach．（2006上海卷）

A:where
B:when
C:which
D:what

正确答案是：

同类题型

_______ it is to help the old men clean the houses!

The students are listening to the teacher with their eyes the blackboard [ ]

The view________many scientists hold is________too much emission of carbon dioxide is destructive.[ ]

Do you think I could borrow your dictionary — .

Not even when _____through the darkest valley _____be afraid, for you are always close beside me.